[SIPForum-discussion] Call Transfer through a SIP Trunk

[Dilip Kumar]

Hi Manoj,

When your IP-PBX transfers the call to UA-C behind the softswitch, it should
have the Refer-To header IP as the softswitch IP..This will ensure that the
call is not routed back to IP-PBX to take it to user C.

With Regards,
D. Dilip Kumar

On Tue, Jun 30, 2009 at 9:05 AM, Manoj Priyankara [TG] <ManojPR at suntel.lk>wrote:

> Dear all,
>
> Please consider the following scenario.
>
> Assume that there is a standard Soft Switch; and an IP PBX is connected
> to the SS using a SIP trunk.
>
> IP PBX has a user (Say A)
>
> An incoming call comes from an external party through the SS to user A.
> User A transfers that call to an external party. (Say B). This call leg
> also goes through the SS
>
>
> Incoming call to A
>
>                SIP Trunk
> C-----> |SS|-------->|IP-PBX|------> A
>
>
> Transfer to B
>
> A---->|IP PBX|------->|SS|-------> B
>
> In this scenario, can the media be bridged from the SS and release all
> the resources in the IP PBX once the call is transferred?
>
> Thanks
> BR,
> Manoj
>
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